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CVE-2021-42237

CRITICALCISA KEV

9.8

Description

Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. No authentication or special configuration is required to exploit this vulnerability.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published11/5/2021

Last Modified11/10/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorSitecore

ProductXP

Vulnerability NameSitecore XP Remote Command Execution Vulnerability

KEV Date Added2022-03-25

Remediation Due Date2022-04-15

Ransomware UseKnown

Affected Products

sitecore:experience_platform

Weaknesses (CWE)

CWE-502CWE-502

References

http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.html(cve@mitre.org)

http://sitecore.com(cve@mitre.org)

https://blog.assetnote.io/2021/11/02/sitecore-rce/(cve@mitre.org)

https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776(cve@mitre.org)

http://packetstormsecurity.com/files/164988/Sitecore-Experience-Platform-XP-Remote-Code-Execution.html(af854a3a-2127-422b-91ae-364da2661108)

http://sitecore.com(af854a3a-2127-422b-91ae-364da2661108)

https://blog.assetnote.io/2021/11/02/sitecore-rce/(af854a3a-2127-422b-91ae-364da2661108)

https://support.sitecore.com/kb?id=kb_article_view&sysparm_article=KB1000776(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42237(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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